they return a void string (null in JS) when they can't find matches, rather
than throwing an illegal argument exception or returning an empty string,
respectively. This fixes a problem when bookmarking about: URIs.
bug=331801
r=brettw@gmail.comsr=ben@mozilla.org
Original committer: joe%retrovirus.com
Original revision: 1.25
Original date: 2006/03/30 22:56:13
git-svn-id: svn://10.0.0.236/trunk@202831 18797224-902f-48f8-a5cc-f745e15eee43
b07ac299a1